Free EN0-001 ARM Updates

ARM Accredited Engineer Questions and Answers

Question 5

Under which of the following data-sharing scenarios would cache maintenance operations be necessary?

Sharing data with another thread running on the same core

Sharing data with another process running on the same core

Sharing data with an external device

Sharing data with another CPU in an SMP system

Question 6

An ARMv7 implementation might include the VFPv4-D32 floating point extension. What does the '32' indicate?

The width of the datapath in bits

The number of double precision floating point registers implemented

The number of bits of data that can be loaded or stored at once

The number of integer operations that can be performed simultaneously

Question 7

In Architecture ARMv7-A which one of the following has a known physical address at power-on reset?

The exception vector table

The Memory Management Unit (MMU) translation table

The Stack Pointer (SP)

The System Control Register (SCTLR)

Question 8

In a loop termination test, how might a programmer indicate to the compiler that the loop iteration count limit is divisible by four?

AND the count limit with -0x3

Add 4 to the count limit

Subtract 4 from the count limit

Shift the count limit left two bit positions